#include "xfs_trans.h"
#include "xfs_sb.h"
#include "xfs_ag.h"
-#include "xfs_dir.h"
#include "xfs_dir2.h"
#include "xfs_dmapi.h"
#include "xfs_mount.h"
#include "xfs_bmap_btree.h"
#include "xfs_alloc_btree.h"
#include "xfs_ialloc_btree.h"
-#include "xfs_dir_sf.h"
#include "xfs_dir2_sf.h"
#include "xfs_attr_sf.h"
#include "xfs_dinode.h"
STATIC void xfs_trans_chunk_committed(xfs_log_item_chunk_t *, xfs_lsn_t, int);
STATIC void xfs_trans_free(xfs_trans_t *);
-kmem_zone_t *xfs_trans_zone;
+kmem_zone_t *xfs_trans_zone;
+/*
+ * Reservation functions here avoid a huge stack in xfs_trans_init
+ * due to register overflow from temporaries in the calculations.
+ */
+
+STATIC uint
+xfs_calc_write_reservation(xfs_mount_t *mp)
+{
+ return XFS_CALC_WRITE_LOG_RES(mp) + XFS_DQUOT_LOGRES(mp);
+}
+
+STATIC uint
+xfs_calc_itruncate_reservation(xfs_mount_t *mp)
+{
+ return XFS_CALC_ITRUNCATE_LOG_RES(mp) + XFS_DQUOT_LOGRES(mp);
+}
+
+STATIC uint
+xfs_calc_rename_reservation(xfs_mount_t *mp)
+{
+ return XFS_CALC_RENAME_LOG_RES(mp) + XFS_DQUOT_LOGRES(mp);
+}
+
+STATIC uint
+xfs_calc_link_reservation(xfs_mount_t *mp)
+{
+ return XFS_CALC_LINK_LOG_RES(mp) + XFS_DQUOT_LOGRES(mp);
+}
+
+STATIC uint
+xfs_calc_remove_reservation(xfs_mount_t *mp)
+{
+ return XFS_CALC_REMOVE_LOG_RES(mp) + XFS_DQUOT_LOGRES(mp);
+}
+
+STATIC uint
+xfs_calc_symlink_reservation(xfs_mount_t *mp)
+{
+ return XFS_CALC_SYMLINK_LOG_RES(mp) + XFS_DQUOT_LOGRES(mp);
+}
+
+STATIC uint
+xfs_calc_create_reservation(xfs_mount_t *mp)
+{
+ return XFS_CALC_CREATE_LOG_RES(mp) + XFS_DQUOT_LOGRES(mp);
+}
+
+STATIC uint
+xfs_calc_mkdir_reservation(xfs_mount_t *mp)
+{
+ return XFS_CALC_MKDIR_LOG_RES(mp) + XFS_DQUOT_LOGRES(mp);
+}
+
+STATIC uint
+xfs_calc_ifree_reservation(xfs_mount_t *mp)
+{
+ return XFS_CALC_IFREE_LOG_RES(mp) + XFS_DQUOT_LOGRES(mp);
+}
+
+STATIC uint
+xfs_calc_ichange_reservation(xfs_mount_t *mp)
+{
+ return XFS_CALC_ICHANGE_LOG_RES(mp) + XFS_DQUOT_LOGRES(mp);
+}
+
+STATIC uint
+xfs_calc_growdata_reservation(xfs_mount_t *mp)
+{
+ return XFS_CALC_GROWDATA_LOG_RES(mp);
+}
+
+STATIC uint
+xfs_calc_growrtalloc_reservation(xfs_mount_t *mp)
+{
+ return XFS_CALC_GROWRTALLOC_LOG_RES(mp);
+}
+
+STATIC uint
+xfs_calc_growrtzero_reservation(xfs_mount_t *mp)
+{
+ return XFS_CALC_GROWRTZERO_LOG_RES(mp);
+}
+
+STATIC uint
+xfs_calc_growrtfree_reservation(xfs_mount_t *mp)
+{
+ return XFS_CALC_GROWRTFREE_LOG_RES(mp);
+}
+
+STATIC uint
+xfs_calc_swrite_reservation(xfs_mount_t *mp)
+{
+ return XFS_CALC_SWRITE_LOG_RES(mp);
+}
+
+STATIC uint
+xfs_calc_writeid_reservation(xfs_mount_t *mp)
+{
+ return XFS_CALC_WRITEID_LOG_RES(mp);
+}
+
+STATIC uint
+xfs_calc_addafork_reservation(xfs_mount_t *mp)
+{
+ return XFS_CALC_ADDAFORK_LOG_RES(mp) + XFS_DQUOT_LOGRES(mp);
+}
+
+STATIC uint
+xfs_calc_attrinval_reservation(xfs_mount_t *mp)
+{
+ return XFS_CALC_ATTRINVAL_LOG_RES(mp);
+}
+
+STATIC uint
+xfs_calc_attrset_reservation(xfs_mount_t *mp)
+{
+ return XFS_CALC_ATTRSET_LOG_RES(mp) + XFS_DQUOT_LOGRES(mp);
+}
+
+STATIC uint
+xfs_calc_attrrm_reservation(xfs_mount_t *mp)
+{
+ return XFS_CALC_ATTRRM_LOG_RES(mp) + XFS_DQUOT_LOGRES(mp);
+}
+
+STATIC uint
+xfs_calc_clear_agi_bucket_reservation(xfs_mount_t *mp)
+{
+ return XFS_CALC_CLEAR_AGI_BUCKET_LOG_RES(mp);
+}
+
/*
* Initialize the precomputed transaction reservation values
* in the mount structure.
xfs_trans_reservations_t *resp;
resp = &(mp->m_reservations);
- resp->tr_write =
- (uint)(XFS_CALC_WRITE_LOG_RES(mp) + XFS_DQUOT_LOGRES(mp));
- resp->tr_itruncate =
- (uint)(XFS_CALC_ITRUNCATE_LOG_RES(mp) + XFS_DQUOT_LOGRES(mp));
- resp->tr_rename =
- (uint)(XFS_CALC_RENAME_LOG_RES(mp) + XFS_DQUOT_LOGRES(mp));
- resp->tr_link = (uint)XFS_CALC_LINK_LOG_RES(mp);
- resp->tr_remove =
- (uint)(XFS_CALC_REMOVE_LOG_RES(mp) + XFS_DQUOT_LOGRES(mp));
- resp->tr_symlink =
- (uint)(XFS_CALC_SYMLINK_LOG_RES(mp) + XFS_DQUOT_LOGRES(mp));
- resp->tr_create =
- (uint)(XFS_CALC_CREATE_LOG_RES(mp) + XFS_DQUOT_LOGRES(mp));
- resp->tr_mkdir =
- (uint)(XFS_CALC_MKDIR_LOG_RES(mp) + XFS_DQUOT_LOGRES(mp));
- resp->tr_ifree =
- (uint)(XFS_CALC_IFREE_LOG_RES(mp) + XFS_DQUOT_LOGRES(mp));
- resp->tr_ichange =
- (uint)(XFS_CALC_ICHANGE_LOG_RES(mp) + XFS_DQUOT_LOGRES(mp));
- resp->tr_growdata = (uint)XFS_CALC_GROWDATA_LOG_RES(mp);
- resp->tr_swrite = (uint)XFS_CALC_SWRITE_LOG_RES(mp);
- resp->tr_writeid = (uint)XFS_CALC_WRITEID_LOG_RES(mp);
- resp->tr_addafork =
- (uint)(XFS_CALC_ADDAFORK_LOG_RES(mp) + XFS_DQUOT_LOGRES(mp));
- resp->tr_attrinval = (uint)XFS_CALC_ATTRINVAL_LOG_RES(mp);
- resp->tr_attrset =
- (uint)(XFS_CALC_ATTRSET_LOG_RES(mp) + XFS_DQUOT_LOGRES(mp));
- resp->tr_attrrm =
- (uint)(XFS_CALC_ATTRRM_LOG_RES(mp) + XFS_DQUOT_LOGRES(mp));
- resp->tr_clearagi = (uint)XFS_CALC_CLEAR_AGI_BUCKET_LOG_RES(mp);
- resp->tr_growrtalloc = (uint)XFS_CALC_GROWRTALLOC_LOG_RES(mp);
- resp->tr_growrtzero = (uint)XFS_CALC_GROWRTZERO_LOG_RES(mp);
- resp->tr_growrtfree = (uint)XFS_CALC_GROWRTFREE_LOG_RES(mp);
+ resp->tr_write = xfs_calc_write_reservation(mp);
+ resp->tr_itruncate = xfs_calc_itruncate_reservation(mp);
+ resp->tr_rename = xfs_calc_rename_reservation(mp);
+ resp->tr_link = xfs_calc_link_reservation(mp);
+ resp->tr_remove = xfs_calc_remove_reservation(mp);
+ resp->tr_symlink = xfs_calc_symlink_reservation(mp);
+ resp->tr_create = xfs_calc_create_reservation(mp);
+ resp->tr_mkdir = xfs_calc_mkdir_reservation(mp);
+ resp->tr_ifree = xfs_calc_ifree_reservation(mp);
+ resp->tr_ichange = xfs_calc_ichange_reservation(mp);
+ resp->tr_growdata = xfs_calc_growdata_reservation(mp);
+ resp->tr_swrite = xfs_calc_swrite_reservation(mp);
+ resp->tr_writeid = xfs_calc_writeid_reservation(mp);
+ resp->tr_addafork = xfs_calc_addafork_reservation(mp);
+ resp->tr_attrinval = xfs_calc_attrinval_reservation(mp);
+ resp->tr_attrset = xfs_calc_attrset_reservation(mp);
+ resp->tr_attrrm = xfs_calc_attrrm_reservation(mp);
+ resp->tr_clearagi = xfs_calc_clear_agi_bucket_reservation(mp);
+ resp->tr_growrtalloc = xfs_calc_growrtalloc_reservation(mp);
+ resp->tr_growrtzero = xfs_calc_growrtzero_reservation(mp);
+ resp->tr_growrtfree = xfs_calc_growrtfree_reservation(mp);
}
/*
xfs_mount_t *mp,
uint type)
{
- fs_check_frozen(XFS_MTOVFS(mp), SB_FREEZE_TRANS);
- atomic_inc(&mp->m_active_trans);
-
- return (_xfs_trans_alloc(mp, type));
-
+ vfs_wait_for_freeze(XFS_MTOVFS(mp), SB_FREEZE_TRANS);
+ return _xfs_trans_alloc(mp, type);
}
xfs_trans_t *
{
xfs_trans_t *tp;
- ASSERT(xfs_trans_zone != NULL);
- tp = kmem_zone_zalloc(xfs_trans_zone, KM_SLEEP);
+ atomic_inc(&mp->m_active_trans);
- /*
- * Initialize the transaction structure.
- */
+ tp = kmem_zone_zalloc(xfs_trans_zone, KM_SLEEP);
tp->t_magic = XFS_TRANS_MAGIC;
tp->t_type = type;
tp->t_mountp = mp;
tp->t_busy_free = XFS_LBC_NUM_SLOTS;
XFS_LIC_INIT(&(tp->t_items));
XFS_LBC_INIT(&(tp->t_busy));
-
- return (tp);
+ return tp;
}
/*
tp->t_blk_res = tp->t_blk_res_used;
ntp->t_rtx_res = tp->t_rtx_res - tp->t_rtx_res_used;
tp->t_rtx_res = tp->t_rtx_res_used;
- PFLAGS_DUP(&tp->t_pflags, &ntp->t_pflags);
+ ntp->t_pflags = tp->t_pflags;
XFS_TRANS_DUP_DQINFO(tp->t_mountp, tp, ntp);
uint logcount)
{
int log_flags;
- int error;
- int rsvd;
-
- error = 0;
- rsvd = (tp->t_flags & XFS_TRANS_RESERVE) != 0;
+ int error = 0;
+ int rsvd = (tp->t_flags & XFS_TRANS_RESERVE) != 0;
/* Mark this thread as being in a transaction */
- PFLAGS_SET_FSTRANS(&tp->t_pflags);
+ current_set_flags_nested(&tp->t_pflags, PF_FSTRANS);
/*
* Attempt to reserve the needed disk blocks by decrementing
error = xfs_mod_incore_sb(tp->t_mountp, XFS_SBS_FDBLOCKS,
-blocks, rsvd);
if (error != 0) {
- PFLAGS_RESTORE_FSTRANS(&tp->t_pflags);
+ current_restore_flags_nested(&tp->t_pflags, PF_FSTRANS);
return (XFS_ERROR(ENOSPC));
}
tp->t_blk_res += blocks;
tp->t_blk_res = 0;
}
- PFLAGS_RESTORE_FSTRANS(&tp->t_pflags);
+ current_restore_flags_nested(&tp->t_pflags, PF_FSTRANS);
- return (error);
+ return error;
}
case XFS_TRANS_SB_RES_FREXTENTS:
/*
* The allocation has already been applied to the
- * in-core superblocks's counter. This should only
+ * in-core superblock's counter. This should only
* be applied to the on-disk superblock.
*/
ASSERT(delta < 0);
if (whole)
/*
- * Log the whole thing, the fields are discontiguous.
+ * Log the whole thing, the fields are noncontiguous.
*/
xfs_trans_log_buf(tp, bp, 0, sizeof(xfs_sb_t) - 1);
else
/*
* Apply any superblock modifications to the in-core version.
* The t_res_fdblocks_delta and t_res_frextents_delta fields are
- * explicity NOT applied to the in-core superblock.
+ * explicitly NOT applied to the in-core superblock.
* The idea is that that has already been done.
*/
if (tp->t_flags & XFS_TRANS_SB_DIRTY) {
if (commit_lsn == -1 && !shutdown)
shutdown = XFS_ERROR(EIO);
}
- PFLAGS_RESTORE_FSTRANS(&tp->t_pflags);
+ current_restore_flags_nested(&tp->t_pflags, PF_FSTRANS);
xfs_trans_free_items(tp, shutdown? XFS_TRANS_ABORT : 0);
xfs_trans_free_busy(tp);
xfs_trans_free(tp);
*/
nvec = xfs_trans_count_vecs(tp);
if (nvec == 0) {
- xfs_force_shutdown(mp, XFS_LOG_IO_ERROR);
+ xfs_force_shutdown(mp, SHUTDOWN_LOG_IO_ERROR);
goto shut_us_down;
} else if (nvec <= XFS_TRANS_LOGVEC_COUNT) {
log_vector = log_vector_fast;
* had pinned, clean up, free trans structure, and return error.
*/
if (error || commit_lsn == -1) {
- PFLAGS_RESTORE_FSTRANS(&tp->t_pflags);
+ current_restore_flags_nested(&tp->t_pflags, PF_FSTRANS);
xfs_trans_uncommit(tp, flags|XFS_TRANS_ABORT);
return XFS_ERROR(EIO);
}
/*
* Mark this thread as no longer being in a transaction
*/
- PFLAGS_RESTORE_FSTRANS(&tp->t_pflags);
+ current_restore_flags_nested(&tp->t_pflags, PF_FSTRANS);
/*
* Once all the items of the transaction have been copied
*/
if ((tp->t_flags & XFS_TRANS_DIRTY) && !XFS_FORCED_SHUTDOWN(mp)) {
XFS_ERROR_REPORT("xfs_trans_cancel", XFS_ERRLEVEL_LOW, mp);
- xfs_force_shutdown(mp, XFS_CORRUPT_INCORE);
+ xfs_force_shutdown(mp, SHUTDOWN_CORRUPT_INCORE);
}
#ifdef DEBUG
if (!(flags & XFS_TRANS_ABORT)) {
}
/* mark this thread as no longer being in a transaction */
- PFLAGS_RESTORE_FSTRANS(&tp->t_pflags);
+ current_restore_flags_nested(&tp->t_pflags, PF_FSTRANS);
xfs_trans_free_items(tp, flags);
xfs_trans_free_busy(tp);
git://git.onelab.eu / linux-2.6.git / blobdiff